DE3851795D1 - Imaging device. - Google Patents

Imaging device.

Info

Publication number: DE3851795D1
Authority: DE; Germany
Prior art keywords: imaging device; imaging
Prior art date: 1987-07-09
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.): Expired - Fee Related

Application number

DE3851795T

Other languages

German (de)

Other versions

DE3851795T2 (en

Inventor

Koji Amemiya

Takeshi Menjo

Takashi Hasegawa

Hiroshi Satomura

Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)

Canon Inc

Original Assignee

Canon Inc

Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)

1987-07-09

Filing date

1988-07-08

Publication date

1994-11-17

1988-07-08 Application filed by Canon Inc filed Critical Canon Inc

1994-11-17 Application granted granted Critical

1994-11-17 Publication of DE3851795D1 publication Critical patent/DE3851795D1/en

1995-03-02 Publication of DE3851795T2 publication Critical patent/DE3851795T2/en

2008-07-09 Anticipated expiration legal-status Critical

Status Expired - Fee Related legal-status Critical Current

Classifications

- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
- G03G15/00—Apparatus for electrographic processes using a charge pattern
- G03G15/14—Apparatus for electrographic processes using a charge pattern for transferring a pattern to a second base
- G03G15/16—Apparatus for electrographic processes using a charge pattern for transferring a pattern to a second base of a toner pattern, e.g. a powder pattern, e.g. magnetic transfer
- G03G15/163—Apparatus for electrographic processes using a charge pattern for transferring a pattern to a second base of a toner pattern, e.g. a powder pattern, e.g. magnetic transfer using the force produced by an electrostatic transfer field formed between the second base and the electrographic recording member, e.g. transfer through an air gap
- G03G15/1635—Apparatus for electrographic processes using a charge pattern for transferring a pattern to a second base of a toner pattern, e.g. a powder pattern, e.g. magnetic transfer using the force produced by an electrostatic transfer field formed between the second base and the electrographic recording member, e.g. transfer through an air gap the field being produced by laying down an electrostatic charge behind the base or the recording member, e.g. by a corona device
- G03G15/165—Arrangements for supporting or transporting the second base in the transfer area, e.g. guides
- G03G15/1655—Arrangements for supporting or transporting the second base in the transfer area, e.g. guides comprising a rotatable holding member to which the second base is attached or attracted, e.g. screen transfer holding drum
- G03G15/166—Arrangements for supporting or transporting the second base in the transfer area, e.g. guides comprising a rotatable holding member to which the second base is attached or attracted, e.g. screen transfer holding drum with means for conditioning the holding member, e.g. cleaning
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
- G03G15/00—Apparatus for electrographic processes using a charge pattern
- G03G15/01—Apparatus for electrographic processes using a charge pattern for producing multicoloured copies
- G03G15/0105—Details of unit
- G03G15/0131—Details of unit for transferring a pattern to a second base
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
- G03G2215/00—Apparatus for electrophotographic processes
- G03G2215/01—Apparatus for electrophotographic processes for producing multicoloured copies
- G03G2215/0167—Apparatus for electrophotographic processes for producing multicoloured copies single electrographic recording member
- G03G2215/0174—Apparatus for electrophotographic processes for producing multicoloured copies single electrographic recording member plural rotations of recording member to produce multicoloured copy
- G03G2215/0177—Rotating set of developing units

Landscapes

Physics & Mathematics (AREA)
General Physics & Mathematics (AREA)
Electrostatic Charge, Transfer And Separation In Electrography (AREA)
Color Electrophotography (AREA)

DE3851795T 1987-07-09 1988-07-08 Imaging device. Expired - Fee Related DE3851795T2 (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
JP62171654A JPH0750363B2 (en)	1987-07-09	1987-07-09	Image forming device

Publications (2)

Publication Number	Publication Date
DE3851795D1 true DE3851795D1 (en)	1994-11-17
DE3851795T2 DE3851795T2 (en)	1995-03-02

Family

ID=15927218

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
DE3851795T Expired - Fee Related DE3851795T2 (en)	1987-07-09	1988-07-08	Imaging device.

Country Status (4)

Country	Link
US (1)	US4914737A (en)
EP (1)	EP0298505B1 (en)
JP (1)	JPH0750363B2 (en)
DE (1)	DE3851795T2 (en)

Families Citing this family (24)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US5103303A (en) *	1988-04-19	1992-04-07	Konica Corporation	Multicolor imaging forming apparatus
US5276483A (en) *	1988-11-08	1994-01-04	Canon Kabushiki Kaisha	Image forming apparatus provided with an attraction charger controlled by one or more ambient conditions
US5083167A (en) *	1989-05-09	1992-01-21	Canon Kabushiki Kaisha	Image forming apparatus for supplying different amounts of electric charge to an end portion of a transfer material
JP2652243B2 (en) *	1989-05-09	1997-09-10	キヤノン株式会社	Image forming device
DE69020961T2 (en) *	1989-05-31	1995-11-23	Canon Kk	Imaging device.
EP0400996B1 (en) *	1989-05-31	1994-05-11	Canon Kabushiki Kaisha	Image forming apparatus
JP2668439B2 (en) *	1989-05-31	1997-10-27	キヤノン株式会社	Image forming device
JP2660055B2 (en) *	1989-08-31	1997-10-08	キヤノン株式会社	Image forming device
US5016056A (en) *	1990-05-07	1991-05-14	Eastman Kodak Company	Multicolor image forming apparatus and transfer roller
JPH0452680A (en) *	1990-06-21	1992-02-20	Canon Inc	Image forming device
JP2915510B2 (en) *	1990-07-05	1999-07-05	キヤノン株式会社	Image forming device
EP0480398B1 (en) *	1990-10-09	1997-04-16	Canon Kabushiki Kaisha	Image forming apparatus having recording material carrying means
EP0572278B1 (en) *	1992-05-29	1999-03-24	Canon Kabushiki Kaisha	An image forming apparatus
US5640658A (en) *	1992-09-30	1997-06-17	Canon Kabushiki Kaisha	Image forming apparatus capable of forming image on both surfaces of recording material
JPH07134503A (en) *	1993-09-17	1995-05-23	Canon Inc	Image forming device
JPH0830066A (en) *	1993-12-22	1996-02-02	Canon Inc	Image forming method
JP3247237B2 (en) *	1994-01-12	2002-01-15	キヤノン株式会社	Image forming device
JP3202868B2 (en) *	1994-03-30	2001-08-27	キヤノン株式会社	Image forming device
WO1998007072A1 (en) *	1996-08-09	1998-02-19	Agfa-Gevaert Naamloze Vennootschap	Device for electrostatically transferring toner image
US6167230A (en) *	1998-10-31	2000-12-26	Ricoh Company, Ltd.	Image forming apparatus and image transferring device therefor
JP2000242089A (en) *	1999-02-22	2000-09-08	Kyocera Mita Corp	Method for forming image
US6745001B2 (en)	2002-05-06	2004-06-01	Nexpress Solutions Llc	Web conditioning charging station
US8320817B2 (en)	2010-08-18	2012-11-27	Eastman Kodak Company	Charge removal from a sheet
US20120099911A1 (en)	2010-10-21	2012-04-26	Mark Cameron Zaretsky	Concurrently removing sheet charge and curl

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US4023894A (en) *	1973-11-30	1977-05-17	Xerox Corporation	Transfer apparatus
JPS5465547A (en) *	1977-11-04	1979-05-26	Ricoh Co Ltd	Multicolor electrophotographic copier
JPS5470051A (en) *	1977-11-15	1979-06-05	Ricoh Co Ltd	Transfer separator for copier
JPS5528074A (en) *	1978-08-21	1980-02-28	Ricoh Co Ltd	Destaticizing method
JPS5538502A (en) *	1978-09-11	1980-03-18	Ricoh Co Ltd	Transfer device of color electrophotographic copier
US4402591A (en) *	1979-09-29	1983-09-06	Canon Kabushiki Kaisha	Electrophotographic apparatus
JPS5699356A (en) *	1980-01-10	1981-08-10	Ricoh Co Ltd	Visible image transferring device of color electrophotographic apparatus
JPS5767969A (en) *	1980-10-16	1982-04-24	Olympus Optical Co Ltd	Transcription device for electrophotographic copier for copying plural sheets
US4482240A (en) *	1981-06-24	1984-11-13	Canon Kabushiki Kaisha	Electrophotographic process utilizing electrostatic separation and apparatus therefor
JPS5950460A (en) *	1982-09-16	1984-03-23	Canon Inc	Multicolor image forming device
JPS59105666A (en) *	1982-12-09	1984-06-19	Canon Inc	Image forming device
DE3408336A1 (en) *	1983-03-08	1984-09-13	Canon K.K., Tokio/Tokyo	IMAGE REPRODUCTION SYSTEM
JPH0613373B2 (en) *	1983-03-31	1994-02-23	キヤノン株式会社	Sheet transport device
US4669861A (en) *	1984-06-29	1987-06-02	Sharp Kabushiki Kaisha	Electrophotographic recording apparatus
JPS6173976A (en) *	1984-09-19	1986-04-16	Canon Inc	Transfer device
JPS61153679A (en) *	1984-12-27	1986-07-12	Minolta Camera Co Ltd	Copying machine

1987
- 1987-07-09 JP JP62171654A patent/JPH0750363B2/en not_active Expired - Fee Related
1988
- 1988-07-08 DE DE3851795T patent/DE3851795T2/en not_active Expired - Fee Related
- 1988-07-08 EP EP88110960A patent/EP0298505B1/en not_active Expired - Lifetime
1989
- 1989-08-04 US US07/390,425 patent/US4914737A/en not_active Expired - Lifetime

Also Published As

Publication number	Publication date
EP0298505A2 (en)	1989-01-11
JPH0750363B2 (en)	1995-05-31
DE3851795T2 (en)	1995-03-02
EP0298505B1 (en)	1994-10-12
US4914737A (en)	1990-04-03
EP0298505A3 (en)	1989-10-11
JPS6415778A (en)	1989-01-19

Publication	Publication Date	Title
DE3887547D1 (en)	1994-03-17	Imaging device.
DE3850057D1 (en)	1994-07-14	Imaging device.
DE3854467D1 (en)	1995-10-19	Imaging device.
DE3851968D1 (en)	1994-12-08	Imaging device.
DE3850702D1 (en)	1994-08-25	Imaging device.
DE3854559D1 (en)	1995-11-16	Imaging device.
DE3851722D1 (en)	1994-11-10	Imaging device.
DE3851278D1 (en)	1994-10-06	Imaging device.
DE3750322D1 (en)	1994-09-08	Imaging device.
DE3751239D1 (en)	1995-05-18	Imaging device.
DE68921038D1 (en)	1995-03-23	Imaging device.
DE68921531D1 (en)	1995-04-13	Imaging device.
DE69005207D1 (en)	1994-01-27	Imaging device.
DE68911731D1 (en)	1994-02-10	Imaging device.
DE68916745D1 (en)	1994-08-18	Imaging device.
DE3851795D1 (en)	1994-11-17	Imaging device.
DE69008772D1 (en)	1994-06-16	Imaging device.
DE3887825D1 (en)	1994-03-24	Imaging device.
DE3885254D1 (en)	1993-12-02	Imaging device.
DE69004896D1 (en)	1994-01-13	Imaging device.
DE68912908D1 (en)	1994-03-17	Imaging device.
DE68913454D1 (en)	1994-04-07	Imaging device.
DE68921596D1 (en)	1995-04-13	Imaging device.
DE3889154D1 (en)	1994-05-26	Original imaging device.
DE3851671D1 (en)	1994-11-03	Imaging device.

Legal Events

Date	Code	Title	Description
1995-11-09	8364	No opposition during term of opposition
2007-05-16	8339	Ceased/non-payment of the annual fee